Installation – KROHNE OPTIFLUX 5000 Flange Quickstart EN User Manual
Page 13
INSTALLATION
2
13
OPTIFLUX 5000
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04/2011 - 7309872300 - QS OPTIFLUX 5000 FL R03 en
ASME B 16.5
DN150...300
Tighten the bolts:
• Step 1: approx. 50% of max. torque
• Step 2: approx. 80% of max. torque
• Step 3: 100% of max. torque given in table
EN 1092-1
ASME B 16.5
Nominal size
[inch]
Flange class
[lb]
Bolts
Max. torque
[ftlb]
1/2
300
4 Ч 1/2"
40
1
150 / 300
4 Ч 1/2"
40
1 1/2
150 / 300
4 Ч 1/2"
40
2
150 / 300
4 Ч 5/8"
97
3
150 / 300
4 Ч 5/8"
97
4
150
8 Ч 5/8"
97
Nominal size
DN [mm]
Pressure
rating
Bolts
Max. torque
[Nm]
150
PN 16
8 × M 20
1
200
PN 10
8 × M 20
1
250
PN 10
12 × M 20
1
300
PN 10
12 x M 20
1
1 Max. torque depends on the gaskets used by the end-user.
Nominal size
[inch]
Flange class
[lb]
Bolts
Max. torque
[ftlb]
6
150
8 Ч 3/4"
1
8
150
8 Ч 3/4"
1
10
150
12 Ч 7/8"
1
12
150
12 x 7/8"
1
1 Max. torque depends on the gaskets used by the end-user.